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<a href="buddy_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &lt;assert.h&gt;</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="ross_8h.html">ross.h</a>&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="buddy_8h.html">buddy.h</a>&quot;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * @file buddy.c</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * @brief Buddy-system memory allocator implementation</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="buddy_8c.html#a82c85744f3fe3071f379e74c7d46d1f1">   13</a></span>&#160;<span class="preprocessor">#define BUDDY_BLOCK_ORDER 6 </span><span class="comment">/**&lt; @brief Minimum block order */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="buddy_8c.html#a7c81551ae195b572832f310a2e184aba">   15</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> *<a class="code" href="buddy_8c.html#a7c81551ae195b572832f310a2e184aba">buddy_base_address</a> = 0;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * Finds the next power of 2 or, if v is a power of 2, return that.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * From http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * @param v Find a power of 2 &gt;= v.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="buddy_8c.html#a8359775791de03af6f115e84249141b1">   23</a></span>&#160;<a class="code" href="buddy_8c.html#a8359775791de03af6f115e84249141b1">next_power2</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> v)</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;{</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="comment">// We&#39;re not allocating chunks smaller than 2^BUDDY_BLOCK_ORDER bytes</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    <span class="keywordflow">if</span> (v &lt; (1 &lt;&lt; <a class="code" href="buddy_8c.html#a82c85744f3fe3071f379e74c7d46d1f1">BUDDY_BLOCK_ORDER</a>)) {</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        <span class="keywordflow">return</span> (1 &lt;&lt; <a class="code" href="buddy_8c.html#a82c85744f3fe3071f379e74c7d46d1f1">BUDDY_BLOCK_ORDER</a>);</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    }</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    v--;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    v |= v &gt;&gt; 1;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    v |= v &gt;&gt; 2;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    v |= v &gt;&gt; 4;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    v |= v &gt;&gt; 8;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    v |= v &gt;&gt; 16;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    v++;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keywordflow">return</span> v;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;}</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="buddy_8c.html#ab4d48cdc21f8add073471aeceefd94ab">   41</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="buddy_8c.html#ab4d48cdc21f8add073471aeceefd94ab">dump_buddy_table</a>(<a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> *buddy_master)</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;{</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <a class="code" href="structbuddy__list.html">buddy_list_t</a> *blt;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> *blbt = buddy_master;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> counter = 0;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        printf(<span class="stringliteral">&quot;BLBT %p:\n&quot;</span>, (<span class="keywordtype">void</span>*)blbt);</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        printf(<span class="stringliteral">&quot;  Count: %d\n&quot;</span>, blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>);</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        printf(<span class="stringliteral">&quot;  Order: %d\n&quot;</span>, blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a>);</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keywordflow">if</span> (blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a2e26ecbfd58890521d5f74aea4f570e6">is_valid</a> == <a class="code" href="buddy_8h.html#a51646327ac0a3287c4b08e4d28b66f35acf0713491d9b887eaccfd80c18abca47">VALID</a>)</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            printf(<span class="stringliteral">&quot;  Valid: YES\n&quot;</span>);</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            printf(<span class="stringliteral">&quot;  Valid: NO\n&quot;</span>);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        printf(<span class="stringliteral">&quot;    Pointer         Use            Size\n&quot;</span>);</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        LIST_FOREACH(blt, &amp;blbt-&gt;ptr, next_freelist) {</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            counter++;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            <span class="keywordflow">if</span> (blt-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> == <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a>)</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;                printf(<span class="stringliteral">&quot;    %11p%8s%16d\n&quot;</span>, (<span class="keywordtype">void</span>*)blt, <span class="stringliteral">&quot;FREE&quot;</span>, blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a>);</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;                printf(<span class="stringliteral">&quot;    %11p%8s%16d\n&quot;</span>, (<span class="keywordtype">void</span>*)blt, <span class="stringliteral">&quot;USED&quot;</span>, blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a>);</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;            assert(<a class="code" href="buddy_8c.html#a8359775791de03af6f115e84249141b1">next_power2</a>(blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a>) == (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) (1 &lt;&lt; blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a>));</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        printf(<span class="stringliteral">&quot;\n&quot;</span>);</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        assert(counter == blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> &amp;&amp; <span class="stringliteral">&quot;Count is incorrect!&quot;</span>);</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        blbt++;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="keywordflow">if</span> (blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a2e26ecbfd58890521d5f74aea4f570e6">is_valid</a> == <a class="code" href="buddy_8h.html#a51646327ac0a3287c4b08e4d28b66f35aef2863a469df3ea6871d640e3669a2f2">INVALID</a>)</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    }</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;}</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment"> * See if we can merge.  If we can, see if we can merge again.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="buddy_8c.html#a79eb8604ccdede86583f1faccec9dfb9">   80</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="buddy_8c.html#a79eb8604ccdede86583f1faccec9dfb9">buddy_try_merge</a>(<a class="code" href="structbuddy__list.html">buddy_list_t</a> *blt)</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;{</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keywordtype">int</span> merge_count = 0;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    assert(<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) &gt;= <span class="keyword">sizeof</span>(<a class="code" href="structbuddy__list.html">buddy_list_t</a>*));</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> pointer_as_long = (<span class="keywordtype">unsigned</span> long)blt;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a> + <span class="keyword">sizeof</span>(<a class="code" href="buddy_8h.html#aa75928b4c911a0d613473267a0585d6d">buddy_list_t</a>);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        <a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> *blbt = <a class="code" href="ross-extern_8h.html#a0cf427702daec5609d393c928ba6597d">g_tw_buddy_master</a>;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="comment">// Find the bucket we need</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        <span class="keywordflow">while</span> (size &gt; (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)(1 &lt;&lt; blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a>)) {</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            blbt++;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        }</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        <span class="comment">// We need to normalize for the &quot;buddy formula&quot; to work</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        pointer_as_long -= (<span class="keywordtype">unsigned</span> long)<a class="code" href="buddy_8c.html#a7c81551ae195b572832f310a2e184aba">buddy_base_address</a>;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        pointer_as_long ^= size;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        pointer_as_long += (<span class="keywordtype">unsigned</span> long)<a class="code" href="buddy_8c.html#a7c81551ae195b572832f310a2e184aba">buddy_base_address</a>;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        <span class="comment">// Our buddy has to meet some criteria</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <a class="code" href="structbuddy__list.html">buddy_list_t</a> *possible_buddy = (<a class="code" href="structbuddy__list.html">buddy_list_t</a>*)pointer_as_long;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        <span class="keywordflow">if</span> (possible_buddy-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> == <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a> &amp;&amp;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            possible_buddy-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a> == (size - <span class="keyword">sizeof</span>(<a class="code" href="structbuddy__list.html">buddy_list_t</a>))) {</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;            <span class="keywordflow">if</span> (merge_count) {</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;                <span class="comment">// If we&#39;ve already merged at least once, then it&#39;s already</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;                <span class="comment">// in its bucket and we must remove it</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;                blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>--;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;                LIST_REMOVE(blt, next_freelist);</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            }</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            assert(blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> &amp;&amp; <span class="stringliteral">&quot;bucket containing buddy has zero elements&quot;</span>);</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>--;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            LIST_REMOVE(possible_buddy, next_freelist);</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;            blbt++;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;            blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>++;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            <a class="code" href="structbuddy__list.html">buddy_list_t</a> *smallest_address = (blt &lt; possible_buddy) ? blt : possible_buddy;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;            smallest_address-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a> = 2 * size - <span class="keyword">sizeof</span>(<a class="code" href="buddy_8h.html#aa75928b4c911a0d613473267a0585d6d">buddy_list_t</a>);</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            smallest_address-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> = <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a>;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            LIST_INSERT_HEAD(&amp;blbt-&gt;ptr, smallest_address, next_freelist);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;            memset(smallest_address+1, 0, smallest_address-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a>);</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;            blt = smallest_address;</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;            merge_count++;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        }</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        }</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    }</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <span class="keywordflow">return</span> merge_count;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;}</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="comment"> * Free the given pointer (and coalesce it with its buddy if possible).</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="comment"> * @param ptr The pointer to free.</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="buddy_8h.html#a2d38d5280dce5d4f0b85410e00c293a6">  137</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="buddy_8c.html#a2d38d5280dce5d4f0b85410e00c293a6">buddy_free</a>(<span class="keywordtype">void</span> *ptr)</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;{</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <a class="code" href="structbuddy__list.html">buddy_list_t</a> *blt = (<a class="code" href="structbuddy__list.html">buddy_list_t</a> *)ptr;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    blt--;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="comment">// Now blt is is pointing to the correct address</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a> + <span class="keyword">sizeof</span>(<a class="code" href="buddy_8h.html#aa75928b4c911a0d613473267a0585d6d">buddy_list_t</a>);</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="comment">// Find the bucket we need</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> *blbt = <a class="code" href="ross-extern_8h.html#a0cf427702daec5609d393c928ba6597d">g_tw_buddy_master</a>;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keywordflow">while</span> (size &gt; (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)(1 &lt;&lt; blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a>)) {</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        blbt++;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    }</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="keywordflow">if</span> (blt-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> != <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9a1e780c62cb3fd2edcac39f739bbe6f6c">USED</a>) {</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        <a class="code" href="structbuddy__list.html">buddy_list_t</a> *iter;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        <a class="code" href="ross-extern_8h.html#a9fdd5173071664ba458fbd0d2419713e">tw_printf</a>(<a class="code" href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a>, <span class="stringliteral">&quot;warning: double free buddy&quot;</span>);</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        <span class="comment">// If it&#39;s free, it should be in the correct bucket so let&#39;s see</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        LIST_FOREACH(iter, &amp;blbt-&gt;ptr, next_freelist) {</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            <span class="keywordflow">if</span> (blt == iter) {</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;                <span class="comment">// Found it, great.</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            }</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        }</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        assert(0 &amp;&amp; <span class="stringliteral">&quot;buddy with FREE status not in freelist&quot;</span>);</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    }</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> initial_count = blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    (void) initial_count; <span class="comment">// quiet compiler when building Release</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    <span class="comment">// If there are no entries here, we can&#39;t have a buddy</span></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="keywordflow">if</span> (blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> == 0) {</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a> = size - <span class="keyword">sizeof</span>(<a class="code" href="buddy_8h.html#aa75928b4c911a0d613473267a0585d6d">buddy_list_t</a>);</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        blt-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> = <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a>;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>++;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        LIST_INSERT_HEAD(&amp;blbt-&gt;ptr, blt, next_freelist);</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        memset(blt+1, 0, blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a>);</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;        assert(blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> == initial_count + 1);</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    }</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="buddy_8c.html#a79eb8604ccdede86583f1faccec9dfb9">buddy_try_merge</a>(blt)) {</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        assert(initial_count &gt; blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>);</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    }</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    <span class="comment">// Otherwise, just add it to the list</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a> = size - <span class="keyword">sizeof</span>(<a class="code" href="buddy_8h.html#aa75928b4c911a0d613473267a0585d6d">buddy_list_t</a>);</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    blt-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> = <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a>;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>++;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    LIST_INSERT_HEAD(&amp;blbt-&gt;ptr, blt, next_freelist);</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    memset(blt+1, 0, blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a>);</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    assert(blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> == initial_count + 1);</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;}</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="comment"> * This function assumes that a block of the specified order exists.</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="comment"> * @param bucket The bucket containing a block we intend to split.</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="buddy_8c.html#a3caec5f80ecae355c6674d9aef1ccfef">  197</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="buddy_8c.html#a3caec5f80ecae355c6674d9aef1ccfef">buddy_split</a>(<a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> *bucket)</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;{</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    assert(bucket-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> &amp;&amp; <span class="stringliteral">&quot;Bucket contains no entries!&quot;</span>);</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    <span class="comment">// Remove an entry from this bucket and adjust the count</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    <a class="code" href="structbuddy__list.html">buddy_list_t</a> *blt = LIST_FIRST(&amp;bucket-&gt;ptr);</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    assert(blt &amp;&amp; <span class="stringliteral">&quot;LIST_FIRST returned NULL&quot;</span>);</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    bucket-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>--;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    LIST_REMOVE(blt, next_freelist);</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    <span class="comment">// Add two to the lower order bucket</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    bucket--;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    bucket-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> += 2;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    <span class="comment">// Update the BLTs</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    blt-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> = <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a>;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a> = (1 &lt;&lt; bucket-&gt;<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a>) - <span class="keyword">sizeof</span>(<a class="code" href="structbuddy__list.html">buddy_list_t</a>);</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    <span class="keywordtype">void</span> *address = ((<span class="keywordtype">char</span> *)blt) + (1 &lt;&lt; bucket-&gt;<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a>);</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    <a class="code" href="structbuddy__list.html">buddy_list_t</a> *new_blt = (<a class="code" href="structbuddy__list.html">buddy_list_t</a> *)address;</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    <span class="comment">// new_blt-&gt;next_freelist = NULL;</span></div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    new_blt-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> = <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a>;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    new_blt-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a> = (1 &lt;&lt; bucket-&gt;<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a>) - <span class="keyword">sizeof</span>(<a class="code" href="structbuddy__list.html">buddy_list_t</a>);</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    assert(blt != new_blt);</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    LIST_INSERT_HEAD(&amp;bucket-&gt;ptr, new_blt, next_freelist);</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    LIST_INSERT_HEAD(&amp;bucket-&gt;ptr, blt, next_freelist);</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;}</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="comment"> * Find the smallest block that will contain size and return it.</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="comment"> * Note this returns the memory allocated and usable, not the entire buffer.</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment"> * This may involve breaking up larger blocks.</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment"> * @param size The size of the data this allocation must be able to hold.</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="buddy_8h.html#aa9dd0e2ab55c7090670a556e026f515c">  234</a></span>&#160;<span class="keywordtype">void</span> *<a class="code" href="buddy_8c.html#aa9dd0e2ab55c7090670a556e026f515c">buddy_alloc</a>(<span class="keywordtype">unsigned</span> size)</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;{</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    <span class="keywordtype">char</span> *ret = 0; <span class="comment">// Return value</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    <span class="comment">// We&#39;ll prepend a BLT before each allocation so add that now</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    size += <span class="keyword">sizeof</span>(<a class="code" href="buddy_8h.html#aa75928b4c911a0d613473267a0585d6d">buddy_list_t</a>);</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    size = <a class="code" href="buddy_8c.html#a8359775791de03af6f115e84249141b1">next_power2</a>(size);</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="comment">// Find the bucket we need</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    <a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> *blbt = <a class="code" href="ross-extern_8h.html#a0cf427702daec5609d393c928ba6597d">g_tw_buddy_master</a>;</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <span class="keywordflow">while</span> (size &gt; (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)(1 &lt;&lt; blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a>)) {</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        blbt++;</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        <span class="keywordflow">if</span> (blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a2e26ecbfd58890521d5f74aea4f570e6">is_valid</a> == <a class="code" href="buddy_8h.html#a51646327ac0a3287c4b08e4d28b66f35aef2863a469df3ea6871d640e3669a2f2">INVALID</a>) {</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;            <span class="comment">// Error: we&#39;re out of bound for valid BLBTs</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;            <a class="code" href="ross-extern_8h.html#a49ed2388aaae26e43280b7909c834aaa">tw_error</a>(<a class="code" href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a>, <span class="stringliteral">&quot;Increase buddy-size&quot;</span>);</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;        }</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    }</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    <span class="keywordflow">if</span> (blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> == 0) {</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;        <span class="keywordtype">unsigned</span> split_count = 0;</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        <span class="comment">// If there are none, keep moving up to larger sizes</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;        <span class="keywordflow">while</span> (blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> == 0) {</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            blbt++;</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;            <span class="keywordflow">if</span> (blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a2e26ecbfd58890521d5f74aea4f570e6">is_valid</a> == <a class="code" href="buddy_8h.html#a51646327ac0a3287c4b08e4d28b66f35aef2863a469df3ea6871d640e3669a2f2">INVALID</a>) {</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;                <span class="comment">// Error: we&#39;re out of bound for valid BLBTs</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;                <a class="code" href="ross-extern_8h.html#a49ed2388aaae26e43280b7909c834aaa">tw_error</a>(<a class="code" href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a>, <span class="stringliteral">&quot;Increase buddy-size&quot;</span>);</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;            }</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;            split_count++;</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;        }</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        <span class="keywordflow">while</span> (split_count--) {</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            <a class="code" href="buddy_8c.html#a3caec5f80ecae355c6674d9aef1ccfef">buddy_split</a>(blbt--);</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;        }</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    }</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;    <span class="keywordflow">if</span> (LIST_EMPTY(&amp;blbt-&gt;ptr)) {</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;        <span class="comment">// This is bad -- they should have allocated more memory</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;        <a class="code" href="ross-extern_8h.html#a49ed2388aaae26e43280b7909c834aaa">tw_error</a>(<a class="code" href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a>, <span class="stringliteral">&quot;Increase buddy-size&quot;</span>);</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    }</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    <a class="code" href="structbuddy__list.html">buddy_list_t</a> *blt = LIST_FIRST(&amp;blbt-&gt;ptr);</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    assert(blt &amp;&amp; <span class="stringliteral">&quot;LIST_FIRST returned NULL&quot;</span>);</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    LIST_REMOVE(blt, next_freelist);</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    blt-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a> = <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9a1e780c62cb3fd2edcac39f739bbe6f6c">USED</a>;</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;    blbt-&gt;<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a>--;</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    ret = (<span class="keywordtype">char</span> *)blt;</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    ret += <span class="keyword">sizeof</span>(<a class="code" href="buddy_8h.html#aa75928b4c911a0d613473267a0585d6d">buddy_list_t</a>);</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;}</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;<span class="comment"> * Pass in the power of two e.g., passing 5 will yield 2^5 = 32.</span></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;<span class="comment"> * @param power_of_two The largest &quot;order&quot; this table will support.</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"><a class="line" href="buddy_8h.html#ac7158d51ffbe54dd3e04d6568f90c42c">  288</a></span>&#160;<a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> * <a class="code" href="buddy_8c.html#ac7158d51ffbe54dd3e04d6568f90c42c">create_buddy_table</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> power_of_two)</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;{</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;    <span class="keywordtype">int</span> size;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    <span class="keywordtype">int</span> list_count;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    <span class="comment">// void *memory;</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    <a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> *bsystem;</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    <span class="comment">// Don&#39;t create anything smaller than this</span></div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    <span class="keywordflow">if</span> (power_of_two &lt; <a class="code" href="buddy_8c.html#a82c85744f3fe3071f379e74c7d46d1f1">BUDDY_BLOCK_ORDER</a>) {</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;        power_of_two = <a class="code" href="buddy_8c.html#a82c85744f3fe3071f379e74c7d46d1f1">BUDDY_BLOCK_ORDER</a>;</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    }</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    list_count = power_of_two - <a class="code" href="buddy_8c.html#a82c85744f3fe3071f379e74c7d46d1f1">BUDDY_BLOCK_ORDER</a> + 1;</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;    bsystem = (<a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a> *)<a class="code" href="ross-extern_8h.html#a445b1ed30cd2e8ef1f837e782a339a70">tw_calloc</a>(<a class="code" href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a>, <span class="stringliteral">&quot;buddy system&quot;</span>, list_count + 1, <span class="keyword">sizeof</span>(<a class="code" href="structbuddy__list__bucket.html">buddy_list_bucket_t</a>));</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="keywordflow">if</span> (bsystem == NULL) {</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    }</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; list_count; i++) {</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;        bsystem[i].<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> = 0;</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;        bsystem[i].<a class="code" href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">order</a> = i + <a class="code" href="buddy_8c.html#a82c85744f3fe3071f379e74c7d46d1f1">BUDDY_BLOCK_ORDER</a>;</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;        bsystem[i].<a class="code" href="structbuddy__list__bucket.html#a2e26ecbfd58890521d5f74aea4f570e6">is_valid</a> = <a class="code" href="buddy_8h.html#a51646327ac0a3287c4b08e4d28b66f35acf0713491d9b887eaccfd80c18abca47">VALID</a>;</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;        LIST_INIT(&amp;(bsystem[i].ptr));</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    }</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    bsystem[i].<a class="code" href="structbuddy__list__bucket.html#a2e26ecbfd58890521d5f74aea4f570e6">is_valid</a> = <a class="code" href="buddy_8h.html#a51646327ac0a3287c4b08e4d28b66f35aef2863a469df3ea6871d640e3669a2f2">INVALID</a>;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="comment">// Allocate the memory</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    size = 1 &lt;&lt; power_of_two;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    <a class="code" href="buddy_8c.html#a7c81551ae195b572832f310a2e184aba">buddy_base_address</a> = <a class="code" href="ross-extern_8h.html#a445b1ed30cd2e8ef1f837e782a339a70">tw_calloc</a>(<a class="code" href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a>, <span class="stringliteral">&quot;buddy system&quot;</span>, 1, size);</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="buddy_8c.html#a7c81551ae195b572832f310a2e184aba">buddy_base_address</a> == NULL) {</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;        free(bsystem);</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    }</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    <span class="comment">// Set up the primordial buddy block (2^power_of_two)</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    <a class="code" href="structbuddy__list.html">buddy_list_t</a> *primordial = (<a class="code" href="structbuddy__list.html">buddy_list_t</a> *)<a class="code" href="buddy_8c.html#a7c81551ae195b572832f310a2e184aba">buddy_base_address</a>;</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    primordial-&gt;<a class="code" href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">use</a>       = <a class="code" href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a>;</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    primordial-&gt;<a class="code" href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">size</a>      = (1 &lt;&lt; power_of_two) - <span class="keyword">sizeof</span>(<a class="code" href="structbuddy__list.html">buddy_list_t</a>);</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    bsystem[list_count - 1].<a class="code" href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">count</a> = 1;</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    LIST_INSERT_HEAD(&amp;bsystem[list_count - 1].ptr, primordial, next_freelist);</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    <span class="keywordflow">return</span> bsystem;</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;}</div>
<div class="ttc" id="ross-extern_8h_html_afffdf140f2c492f61546ad783833f127"><div class="ttname"><a href="ross-extern_8h.html#afffdf140f2c492f61546ad783833f127">TW_LOC</a></div><div class="ttdeci">#define TW_LOC</div><div class="ttdef"><b>Definition:</b> <a href="ross-extern_8h_source.html#l00164">ross-extern.h:164</a></div></div>
<div class="ttc" id="structbuddy__list_html_a8f5f5a95250726834f37a5068dc1c8b4"><div class="ttname"><a href="structbuddy__list.html#a8f5f5a95250726834f37a5068dc1c8b4">buddy_list::size</a></div><div class="ttdeci">uint32_t size</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00025">buddy.h:25</a></div></div>
<div class="ttc" id="buddy_8h_html_aa75928b4c911a0d613473267a0585d6d"><div class="ttname"><a href="buddy_8h.html#aa75928b4c911a0d613473267a0585d6d">buddy_list_t</a></div><div class="ttdeci">struct buddy_list buddy_list_t</div></div>
<div class="ttc" id="ross-extern_8h_html_a49ed2388aaae26e43280b7909c834aaa"><div class="ttname"><a href="ross-extern_8h.html#a49ed2388aaae26e43280b7909c834aaa">tw_error</a></div><div class="ttdeci">void tw_error(const char *file, int line, const char *fmt,...) NORETURN</div><div class="ttdef"><b>Definition:</b> <a href="tw-util_8c_source.html#l00074">tw-util.c:74</a></div></div>
<div class="ttc" id="structbuddy__list__bucket_html_a0419513cdd8f0622e11a40ef5b00cbcd"><div class="ttname"><a href="structbuddy__list__bucket.html#a0419513cdd8f0622e11a40ef5b00cbcd">buddy_list_bucket::count</a></div><div class="ttdeci">unsigned int count</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00038">buddy.h:38</a></div></div>
<div class="ttc" id="buddy_8c_html_ab4d48cdc21f8add073471aeceefd94ab"><div class="ttname"><a href="buddy_8c.html#ab4d48cdc21f8add073471aeceefd94ab">dump_buddy_table</a></div><div class="ttdeci">int dump_buddy_table(buddy_list_bucket_t *buddy_master)</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00041">buddy.c:41</a></div></div>
<div class="ttc" id="buddy_8c_html_aa9dd0e2ab55c7090670a556e026f515c"><div class="ttname"><a href="buddy_8c.html#aa9dd0e2ab55c7090670a556e026f515c">buddy_alloc</a></div><div class="ttdeci">void * buddy_alloc(unsigned size)</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00234">buddy.c:234</a></div></div>
<div class="ttc" id="buddy_8c_html_a7c81551ae195b572832f310a2e184aba"><div class="ttname"><a href="buddy_8c.html#a7c81551ae195b572832f310a2e184aba">buddy_base_address</a></div><div class="ttdeci">static void * buddy_base_address</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00015">buddy.c:15</a></div></div>
<div class="ttc" id="buddy_8h_html_ae2694cc0545e0b4d3fc4a32ab1b33ce9a1e780c62cb3fd2edcac39f739bbe6f6c"><div class="ttname"><a href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9a1e780c62cb3fd2edcac39f739bbe6f6c">USED</a></div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00011">buddy.h:11</a></div></div>
<div class="ttc" id="buddy_8h_html"><div class="ttname"><a href="buddy_8h.html">buddy.h</a></div><div class="ttdoc">Buddy-system memory allocator. </div></div>
<div class="ttc" id="structbuddy__list_html"><div class="ttname"><a href="structbuddy__list.html">buddy_list</a></div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00021">buddy.h:21</a></div></div>
<div class="ttc" id="ross-extern_8h_html_a0cf427702daec5609d393c928ba6597d"><div class="ttname"><a href="ross-extern_8h.html#a0cf427702daec5609d393c928ba6597d">g_tw_buddy_master</a></div><div class="ttdeci">buddy_list_bucket_t * g_tw_buddy_master</div><div class="ttdef"><b>Definition:</b> <a href="ross-global_8c_source.html#l00036">ross-global.c:36</a></div></div>
<div class="ttc" id="buddy_8h_html_a51646327ac0a3287c4b08e4d28b66f35aef2863a469df3ea6871d640e3669a2f2"><div class="ttname"><a href="buddy_8h.html#a51646327ac0a3287c4b08e4d28b66f35aef2863a469df3ea6871d640e3669a2f2">INVALID</a></div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00030">buddy.h:30</a></div></div>
<div class="ttc" id="structbuddy__list__bucket_html_a2e26ecbfd58890521d5f74aea4f570e6"><div class="ttname"><a href="structbuddy__list__bucket.html#a2e26ecbfd58890521d5f74aea4f570e6">buddy_list_bucket::is_valid</a></div><div class="ttdeci">valid_t is_valid</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00040">buddy.h:40</a></div></div>
<div class="ttc" id="buddy_8h_html_ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6"><div class="ttname"><a href="buddy_8h.html#ae2694cc0545e0b4d3fc4a32ab1b33ce9acc62d1576546f3245237e1b232d838b6">FREE</a></div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00011">buddy.h:11</a></div></div>
<div class="ttc" id="structbuddy__list__bucket_html"><div class="ttname"><a href="structbuddy__list__bucket.html">buddy_list_bucket</a></div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00035">buddy.h:35</a></div></div>
<div class="ttc" id="buddy_8h_html_a51646327ac0a3287c4b08e4d28b66f35acf0713491d9b887eaccfd80c18abca47"><div class="ttname"><a href="buddy_8h.html#a51646327ac0a3287c4b08e4d28b66f35acf0713491d9b887eaccfd80c18abca47">VALID</a></div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00030">buddy.h:30</a></div></div>
<div class="ttc" id="ross_8h_html"><div class="ttname"><a href="ross_8h.html">ross.h</a></div></div>
<div class="ttc" id="buddy_8c_html_a2d38d5280dce5d4f0b85410e00c293a6"><div class="ttname"><a href="buddy_8c.html#a2d38d5280dce5d4f0b85410e00c293a6">buddy_free</a></div><div class="ttdeci">void buddy_free(void *ptr)</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00137">buddy.c:137</a></div></div>
<div class="ttc" id="buddy_8c_html_a79eb8604ccdede86583f1faccec9dfb9"><div class="ttname"><a href="buddy_8c.html#a79eb8604ccdede86583f1faccec9dfb9">buddy_try_merge</a></div><div class="ttdeci">int buddy_try_merge(buddy_list_t *blt)</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00080">buddy.c:80</a></div></div>
<div class="ttc" id="structbuddy__list__bucket_html_a4fef6b7e7203a58718f141e97a5480c8"><div class="ttname"><a href="structbuddy__list__bucket.html#a4fef6b7e7203a58718f141e97a5480c8">buddy_list_bucket::order</a></div><div class="ttdeci">unsigned int order</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00039">buddy.h:39</a></div></div>
<div class="ttc" id="buddy_8c_html_a82c85744f3fe3071f379e74c7d46d1f1"><div class="ttname"><a href="buddy_8c.html#a82c85744f3fe3071f379e74c7d46d1f1">BUDDY_BLOCK_ORDER</a></div><div class="ttdeci">#define BUDDY_BLOCK_ORDER</div><div class="ttdoc">Minimum block order. </div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00013">buddy.c:13</a></div></div>
<div class="ttc" id="buddy_8c_html_a8359775791de03af6f115e84249141b1"><div class="ttname"><a href="buddy_8c.html#a8359775791de03af6f115e84249141b1">next_power2</a></div><div class="ttdeci">unsigned int next_power2(unsigned int v)</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00023">buddy.c:23</a></div></div>
<div class="ttc" id="ross-extern_8h_html_a445b1ed30cd2e8ef1f837e782a339a70"><div class="ttname"><a href="ross-extern_8h.html#a445b1ed30cd2e8ef1f837e782a339a70">tw_calloc</a></div><div class="ttdeci">void * tw_calloc(const char *file, int line, const char *for_who, size_t e_sz, size_t n)</div><div class="ttdef"><b>Definition:</b> <a href="tw-util_8c_source.html#l00203">tw-util.c:203</a></div></div>
<div class="ttc" id="buddy_8c_html_a3caec5f80ecae355c6674d9aef1ccfef"><div class="ttname"><a href="buddy_8c.html#a3caec5f80ecae355c6674d9aef1ccfef">buddy_split</a></div><div class="ttdeci">static void buddy_split(buddy_list_bucket_t *bucket)</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00197">buddy.c:197</a></div></div>
<div class="ttc" id="structbuddy__list_html_a5a2f3daf9d6704b4a70df1bf2bcea8db"><div class="ttname"><a href="structbuddy__list.html#a5a2f3daf9d6704b4a70df1bf2bcea8db">buddy_list::use</a></div><div class="ttdeci">purpose_t use</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8h_source.html#l00026">buddy.h:26</a></div></div>
<div class="ttc" id="buddy_8c_html_ac7158d51ffbe54dd3e04d6568f90c42c"><div class="ttname"><a href="buddy_8c.html#ac7158d51ffbe54dd3e04d6568f90c42c">create_buddy_table</a></div><div class="ttdeci">buddy_list_bucket_t * create_buddy_table(unsigned int power_of_two)</div><div class="ttdef"><b>Definition:</b> <a href="buddy_8c_source.html#l00288">buddy.c:288</a></div></div>
<div class="ttc" id="ross-extern_8h_html_a9fdd5173071664ba458fbd0d2419713e"><div class="ttname"><a href="ross-extern_8h.html#a9fdd5173071664ba458fbd0d2419713e">tw_printf</a></div><div class="ttdeci">void tw_printf(const char *file, int line, const char *fmt,...)</div><div class="ttdef"><b>Definition:</b> <a href="tw-util_8c_source.html#l00061">tw-util.c:61</a></div></div>
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